<template>
    <div>
        <!-- 面包歇屑导航区 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片视图区域 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">

                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddpage">添加商品 </el-button>
                </el-col>
            </el-row>

            <!-- table表格区域 -->
            <el-table :data="goodslist" border stripe>
                <el-table-column type="index">
                </el-table-column>
                <el-table-column label="商品名称" prop="goods_name"></el-table-column>
                <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
                <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
                <el-table-column label="创建时间" prop="add_time" width="140px">
                    <template slot-scope="scope">
                        {{ scope.row.add_time | dateFormat }}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="130px">
                    <template slot-scope="scope">
                        <el-button type="primary" icon="el-icon-edit" size="mini"
                            @click="showDialogGood(scope.row.goods_id)"></el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini"
                            @click="removeById(scope.row.goods_id)"></el-button>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页区域 -->
            <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper" :total="total" background>
            </el-pagination>
        </el-card>
        <!-- 修改商品对话框 -->
        <el-dialog title="修改商品" :visible.sync="editGoodDialogVisible" width="50%">
            <el-form :model="editGoodForm" ref="editGoodFormRef" label-width="100px">
                <el-form-item label="商品名称">
                    <el-input v-model="editGoodForm.goods_name"></el-input>
                </el-form-item>
                <el-form-item label="商品价格(元)">
                    <el-input v-model="editGoodForm.goods_price"></el-input>
                </el-form-item>
                <el-form-item label="商品重量">
                    <el-input v-model="editGoodForm.goods_weight"></el-input>
                </el-form-item>
                <el-form-item label="创建时间">
                    <el-input v-model="editGoodForm.add_time">
                    </el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="editGoodDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="editGoodDialogVisible = false">确 定</el-button>
            </span>
        </el-dialog>
    </div>
</template>

<script>
export default {
    data() {
        return {
            //查询参数对象
            queryInfo: {
                query: '',
                pagenum: 1,
                pagesize: 10
            },
            //商品列表
            goodslist: [],
            //总数据条数
            total: 0,
            editGoodDialogVisible: false,
            editGoodForm: {}
        }
    },
    created() {
        this.getGoodsList()
    },
    methods: {
        //根据分页获取对应的商品列表
        async getGoodsList() {
            const { data: res } = await this.$http.get(`goods`, { params: this.queryInfo })
            if (res.meta.status !== 200) {
                return this.$message.error('获取商品列表失败!')
            }
            this.$message.success('获取商品列表成功！')
            //console.log(res.data)
            this.goodslist = res.data.goods
            this.total = res.data.total
        },
        //
        handleSizeChange(newSize) {
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        handleCurrentChange(newPage) {
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
        async removeById(id) {
            const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).catch(err => err)

            if (confirmResult !== 'confirm') {
                return this.$message.info('已取消删除！')
            }
            const { data: res } = await this.$http.delete(`goods/${id}`)
            if (res.meta.status !== 200) {
                return this.$message.error('删除商品失败！')
            }
            this.$message.success('删除商品成功!')
            this.getGoodsList()

        },
        goAddpage() {
            this.$router.push('/goods/add')
        },
        async showDialogGood(id) {
            const { data: res } = await this.$http.get('goods/' + id)

            if (res.meta.status !== 200) {
                return this.$message.error('查询商品信息失败了！')
            }

            this.editGoodForm = res.data
            this.editGoodDialogVisible = true
        }
    }
}
</script>

<style lang="less" scoped></style>